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Stockholders' Equity
6 Months Ended
Jun. 30, 2018
Equity [Abstract]  
Stockholders' Equity

(3) STOCKHOLDERS' EQUITY –

At June 30, 2018, the Company had warrants outstanding to purchase 51,449 shares of common stock at an exercise price of $0.01 per share.  Warrants for 363,638 and 246,793 shares of common stock were exercised during the six months ended June 30, 2018 and 2017, respectively.